Os dados foram obtidos no site da NASA, onde se encontra a visualização que inspirou as Figura 1 e Figura 2.

Download (Dados Crus)
Tabela 1: Dados da NASA (head)
   Year   Jan   Feb   Mar   Apr   May   Jun   Jul   Aug   Sep   Oct   Nov   Dec
1  1880 -0.20 -0.25 -0.09 -0.16 -0.09 -0.21 -0.20 -0.10 -0.15 -0.23 -0.23 -0.18
2  1881 -0.20 -0.15  0.02  0.04  0.07 -0.19  0.01 -0.04 -0.16 -0.22 -0.19 -0.07
3  1882  0.16  0.14  0.05 -0.16 -0.14 -0.22 -0.16 -0.08 -0.15 -0.23 -0.17 -0.36
4  1883 -0.29 -0.36 -0.12 -0.18 -0.17 -0.07 -0.07 -0.14 -0.22 -0.11 -0.24 -0.11
5  1884 -0.13 -0.08 -0.36 -0.40 -0.33 -0.34 -0.30 -0.27 -0.27 -0.25 -0.33 -0.31
6  1885 -0.58 -0.33 -0.26 -0.42 -0.45 -0.43 -0.33 -0.31 -0.28 -0.23 -0.23 -0.10
7  1886 -0.44 -0.50 -0.42 -0.28 -0.24 -0.34 -0.18 -0.31 -0.24 -0.27 -0.28 -0.25
8  1887 -0.72 -0.57 -0.36 -0.35 -0.31 -0.25 -0.26 -0.36 -0.26 -0.35 -0.26 -0.33
9  1888 -0.34 -0.36 -0.41 -0.20 -0.22 -0.17 -0.10 -0.15 -0.12  0.02  0.03 -0.04
10 1889 -0.09  0.16  0.06  0.09 -0.01 -0.10 -0.07 -0.20 -0.24 -0.25 -0.33 -0.29